Pub. L. 89-554, tit. 5, pt. III, subpt. D, ch. 55, subch. V, sec. 5542
Overtime rates; computation
§ 5542. Overtime rates; computation (a) Hours of work officially ordered or approved in excess of 40 hours in an administrative workweek performed by an employee are overtime work and shall be paid for, except as otherwise provided by this subchapter, at the following rates: (1) For an employee whose basic pay is at a rate which does not exceed the minimum rate of basic pay for GS-9, the overtime 80 Stat. 486hourly rate of pay is an amount equal to one and one-half times the hourly rate or basic pay of the employee, and all that amount is premium pay. (2) For an employee whose basic pay is at a rate which exceeds the minimum rate of basic pay for GS-9, the overtime hourly rate of pay is an amount equal to one and one-half times the hourly rate of the minimum rate of basic pay for GS-9, and all that amount is premium pay. (b) For the purpose of this subchapter— (1) unscheduled overtime work performed by an employee on a day when work was not scheduled for him, or for which he is required to return to his place of employment, is deemed at least 2 hours in duration; and (2) time spent in a travel status away from the official-duty station of an employee is not hours of employment unless— (A) the time spent is within the days and hours of the regularly scheduled administrative workweek of the employee, including regularly scheduled overtime hours; or (B) the travel involves the performance of work while traveling or is carried out under arduous conditions.